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-rw-r--r--fs/cifs/inode.c189
1 files changed, 110 insertions, 79 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 36f9ebb93ceb..be58b8fcdb3c 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -383,9 +383,10 @@ int cifs_get_inode_info_unix(struct inode **pinode,
/* check for Minshall+French symlinks */
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) {
- int tmprc = CIFSCheckMFSymlink(&fattr, full_path, cifs_sb, xid);
+ int tmprc = check_mf_symlink(xid, tcon, cifs_sb, &fattr,
+ full_path);
if (tmprc)
- cifs_dbg(FYI, "CIFSCheckMFSymlink: %d\n", tmprc);
+ cifs_dbg(FYI, "check_mf_symlink: %d\n", tmprc);
}
if (*pinode == NULL) {
@@ -403,18 +404,20 @@ int cifs_get_inode_info_unix(struct inode **pinode,
}
static int
-cifs_sfu_type(struct cifs_fattr *fattr, const unsigned char *path,
+cifs_sfu_type(struct cifs_fattr *fattr, const char *path,
struct cifs_sb_info *cifs_sb, unsigned int xid)
{
int rc;
int oplock = 0;
- __u16 netfid;
struct tcon_link *tlink;
struct cifs_tcon *tcon;
+ struct cifs_fid fid;
+ struct cifs_open_parms oparms;
struct cifs_io_parms io_parms;
char buf[24];
unsigned int bytes_read;
char *pbuf;
+ int buf_type = CIFS_NO_BUFFER;
pbuf = buf;
@@ -435,62 +438,69 @@ cifs_sfu_type(struct cifs_fattr *fattr, const unsigned char *path,
return PTR_ERR(tlink);
tcon = tlink_tcon(tlink);
- rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, GENERIC_READ,
- CREATE_NOT_DIR, &netfid, &oplock, NULL,
- cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
- CIFS_MOUNT_MAP_SPECIAL_CHR);
- if (rc == 0) {
- int buf_type = CIFS_NO_BUFFER;
- /* Read header */
- io_parms.netfid = netfid;
- io_parms.pid = current->tgid;
- io_parms.tcon = tcon;
- io_parms.offset = 0;
- io_parms.length = 24;
- rc = CIFSSMBRead(xid, &io_parms, &bytes_read, &pbuf,
- &buf_type);
- if ((rc == 0) && (bytes_read >= 8)) {
- if (memcmp("IntxBLK", pbuf, 8) == 0) {
- cifs_dbg(FYI, "Block device\n");
- fattr->cf_mode |= S_IFBLK;
- fattr->cf_dtype = DT_BLK;
- if (bytes_read == 24) {
- /* we have enough to decode dev num */
- __u64 mjr; /* major */
- __u64 mnr; /* minor */
- mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
- mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
- fattr->cf_rdev = MKDEV(mjr, mnr);
- }
- } else if (memcmp("IntxCHR", pbuf, 8) == 0) {
- cifs_dbg(FYI, "Char device\n");
- fattr->cf_mode |= S_IFCHR;
- fattr->cf_dtype = DT_CHR;
- if (bytes_read == 24) {
- /* we have enough to decode dev num */
- __u64 mjr; /* major */
- __u64 mnr; /* minor */
- mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
- mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
- fattr->cf_rdev = MKDEV(mjr, mnr);
- }
- } else if (memcmp("IntxLNK", pbuf, 7) == 0) {
- cifs_dbg(FYI, "Symlink\n");
- fattr->cf_mode |= S_IFLNK;
- fattr->cf_dtype = DT_LNK;
- } else {
- fattr->cf_mode |= S_IFREG; /* file? */
- fattr->cf_dtype = DT_REG;
- rc = -EOPNOTSUPP;
+ oparms.tcon = tcon;
+ oparms.cifs_sb = cifs_sb;
+ oparms.desired_access = GENERIC_READ;
+ oparms.create_options = CREATE_NOT_DIR;
+ oparms.disposition = FILE_OPEN;
+ oparms.path = path;
+ oparms.fid = &fid;
+ oparms.reconnect = false;
+
+ rc = CIFS_open(xid, &oparms, &oplock, NULL);
+ if (rc) {
+ cifs_put_tlink(tlink);
+ return rc;
+ }
+
+ /* Read header */
+ io_parms.netfid = fid.netfid;
+ io_parms.pid = current->tgid;
+ io_parms.tcon = tcon;
+ io_parms.offset = 0;
+ io_parms.length = 24;
+
+ rc = CIFSSMBRead(xid, &io_parms, &bytes_read, &pbuf, &buf_type);
+ if ((rc == 0) && (bytes_read >= 8)) {
+ if (memcmp("IntxBLK", pbuf, 8) == 0) {
+ cifs_dbg(FYI, "Block device\n");
+ fattr->cf_mode |= S_IFBLK;
+ fattr->cf_dtype = DT_BLK;
+ if (bytes_read == 24) {
+ /* we have enough to decode dev num */
+ __u64 mjr; /* major */
+ __u64 mnr; /* minor */
+ mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
+ mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
+ fattr->cf_rdev = MKDEV(mjr, mnr);
}
+ } else if (memcmp("IntxCHR", pbuf, 8) == 0) {
+ cifs_dbg(FYI, "Char device\n");
+ fattr->cf_mode |= S_IFCHR;
+ fattr->cf_dtype = DT_CHR;
+ if (bytes_read == 24) {
+ /* we have enough to decode dev num */
+ __u64 mjr; /* major */
+ __u64 mnr; /* minor */
+ mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
+ mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
+ fattr->cf_rdev = MKDEV(mjr, mnr);
+ }
+ } else if (memcmp("IntxLNK", pbuf, 7) == 0) {
+ cifs_dbg(FYI, "Symlink\n");
+ fattr->cf_mode |= S_IFLNK;
+ fattr->cf_dtype = DT_LNK;
} else {
- fattr->cf_mode |= S_IFREG; /* then it is a file */
+ fattr->cf_mode |= S_IFREG; /* file? */
fattr->cf_dtype = DT_REG;
- rc = -EOPNOTSUPP; /* or some unknown SFU type */
+ rc = -EOPNOTSUPP;
}
- CIFSSMBClose(xid, tcon, netfid);
+ } else {
+ fattr->cf_mode |= S_IFREG; /* then it is a file */
+ fattr->cf_dtype = DT_REG;
+ rc = -EOPNOTSUPP; /* or some unknown SFU type */
}
+ CIFSSMBClose(xid, tcon, fid.netfid);
cifs_put_tlink(tlink);
return rc;
}
@@ -517,10 +527,15 @@ static int cifs_sfu_mode(struct cifs_fattr *fattr, const unsigned char *path,
return PTR_ERR(tlink);
tcon = tlink_tcon(tlink);
- rc = CIFSSMBQAllEAs(xid, tcon, path, "SETFILEBITS",
- ea_value, 4 /* size of buf */, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
- CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (tcon->ses->server->ops->query_all_EAs == NULL) {
+ cifs_put_tlink(tlink);
+ return -EOPNOTSUPP;
+ }
+
+ rc = tcon->ses->server->ops->query_all_EAs(xid, tcon, path,
+ "SETFILEBITS", ea_value, 4 /* size of buf */,
+ cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
cifs_put_tlink(tlink);
if (rc < 0)
return (int)rc;
@@ -799,9 +814,10 @@ cifs_get_inode_info(struct inode **inode, const char *full_path,
/* check for Minshall+French symlinks */
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) {
- tmprc = CIFSCheckMFSymlink(&fattr, full_path, cifs_sb, xid);
+ tmprc = check_mf_symlink(xid, tcon, cifs_sb, &fattr,
+ full_path);
if (tmprc)
- cifs_dbg(FYI, "CIFSCheckMFSymlink: %d\n", tmprc);
+ cifs_dbg(FYI, "check_mf_symlink: %d\n", tmprc);
}
if (!*inode) {
@@ -1030,7 +1046,8 @@ cifs_rename_pending_delete(const char *full_path, struct dentry *dentry,
{
int oplock = 0;
int rc;
- __u16 netfid;
+ struct cifs_fid fid;
+ struct cifs_open_parms oparms;
struct inode *inode = dentry->d_inode;
struct cifsInodeInfo *cifsInode = CIFS_I(inode);
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
@@ -1053,10 +1070,16 @@ cifs_rename_pending_delete(const char *full_path, struct dentry *dentry,
goto out;
}
- rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN,
- DELETE|FILE_WRITE_ATTRIBUTES, CREATE_NOT_DIR,
- &netfid, &oplock, NULL, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ oparms.tcon = tcon;
+ oparms.cifs_sb = cifs_sb;
+ oparms.desired_access = DELETE | FILE_WRITE_ATTRIBUTES;
+ oparms.create_options = CREATE_NOT_DIR;
+ oparms.disposition = FILE_OPEN;
+ oparms.path = full_path;
+ oparms.fid = &fid;
+ oparms.reconnect = false;
+
+ rc = CIFS_open(xid, &oparms, &oplock, NULL);
if (rc != 0)
goto out;
@@ -1077,7 +1100,7 @@ cifs_rename_pending_delete(const char *full_path, struct dentry *dentry,
goto out_close;
}
info_buf->Attributes = cpu_to_le32(dosattr);
- rc = CIFSSMBSetFileInfo(xid, tcon, info_buf, netfid,
+ rc = CIFSSMBSetFileInfo(xid, tcon, info_buf, fid.netfid,
current->tgid);
/* although we would like to mark the file hidden
if that fails we will still try to rename it */
@@ -1088,7 +1111,8 @@ cifs_rename_pending_delete(const char *full_path, struct dentry *dentry,
}
/* rename the file */
- rc = CIFSSMBRenameOpenFile(xid, tcon, netfid, NULL, cifs_sb->local_nls,
+ rc = CIFSSMBRenameOpenFile(xid, tcon, fid.netfid, NULL,
+ cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc != 0) {
@@ -1098,7 +1122,7 @@ cifs_rename_pending_delete(const char *full_path, struct dentry *dentry,
/* try to set DELETE_ON_CLOSE */
if (!cifsInode->delete_pending) {
- rc = CIFSSMBSetFileDisposition(xid, tcon, true, netfid,
+ rc = CIFSSMBSetFileDisposition(xid, tcon, true, fid.netfid,
current->tgid);
/*
* some samba versions return -ENOENT when we try to set the
@@ -1118,7 +1142,7 @@ cifs_rename_pending_delete(const char *full_path, struct dentry *dentry,
}
out_close:
- CIFSSMBClose(xid, tcon, netfid);
+ CIFSSMBClose(xid, tcon, fid.netfid);
out:
kfree(info_buf);
cifs_put_tlink(tlink);
@@ -1130,13 +1154,13 @@ out:
* them anyway.
*/
undo_rename:
- CIFSSMBRenameOpenFile(xid, tcon, netfid, dentry->d_name.name,
+ CIFSSMBRenameOpenFile(xid, tcon, fid.netfid, dentry->d_name.name,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
undo_setattr:
if (dosattr != origattr) {
info_buf->Attributes = cpu_to_le32(origattr);
- if (!CIFSSMBSetFileInfo(xid, tcon, info_buf, netfid,
+ if (!CIFSSMBSetFileInfo(xid, tcon, info_buf, fid.netfid,
current->tgid))
cifsInode->cifsAttrs = origattr;
}
@@ -1547,7 +1571,8 @@ cifs_do_rename(const unsigned int xid, struct dentry *from_dentry,
struct tcon_link *tlink;
struct cifs_tcon *tcon;
struct TCP_Server_Info *server;
- __u16 srcfid;
+ struct cifs_fid fid;
+ struct cifs_open_parms oparms;
int oplock, rc;
tlink = cifs_sb_tlink(cifs_sb);
@@ -1574,17 +1599,23 @@ cifs_do_rename(const unsigned int xid, struct dentry *from_dentry,
if (to_dentry->d_parent != from_dentry->d_parent)
goto do_rename_exit;
+ oparms.tcon = tcon;
+ oparms.cifs_sb = cifs_sb;
/* open the file to be renamed -- we need DELETE perms */
- rc = CIFSSMBOpen(xid, tcon, from_path, FILE_OPEN, DELETE,
- CREATE_NOT_DIR, &srcfid, &oplock, NULL,
- cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
- CIFS_MOUNT_MAP_SPECIAL_CHR);
+ oparms.desired_access = DELETE;
+ oparms.create_options = CREATE_NOT_DIR;
+ oparms.disposition = FILE_OPEN;
+ oparms.path = from_path;
+ oparms.fid = &fid;
+ oparms.reconnect = false;
+
+ rc = CIFS_open(xid, &oparms, &oplock, NULL);
if (rc == 0) {
- rc = CIFSSMBRenameOpenFile(xid, tcon, srcfid,
+ rc = CIFSSMBRenameOpenFile(xid, tcon, fid.netfid,
(const char *) to_dentry->d_name.name,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- CIFSSMBClose(xid, tcon, srcfid);
+ CIFSSMBClose(xid, tcon, fid.netfid);
}
do_rename_exit:
cifs_put_tlink(tlink);
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-26 17:12:00 +0000